42700217503 has 4 divisors (see below), whose sum is σ = 43078095648. Its totient is φ = 42322339360.

The previous prime is 42700217491. The next prime is 42700217537. The reversal of 42700217503 is 30571200724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42700217503 - 2²⁵ = 42666663071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42700217303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188938903 + ... + 188939128.

It is an arithmetic number, because the mean of its divisors is an integer number (10769523912).

Almost surely, 2^42700217503 is an apocalyptic number.

42700217503 is a deficient number, since it is larger than the sum of its proper divisors (377878145).

42700217503 is a wasteful number, since it uses less digits than its factorization.

42700217503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377878144.

The product of its (nonzero) digits is 11760, while the sum is 31.

The spelling of 42700217503 in words is "forty-two billion, seven hundred million, two hundred seventeen thousand, five hundred three".